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Parcel Post Regulations Postal regulations specify that a parcel sent by parcel post may have a combined length and girth of no more than 162 in. Find the dimensions of a cylindrical package of greatest volume that can be sent through the mail. Hint: The length plus the girth is 2117 + i. (Let r represent the radius of the cylinder and Ithe length, each in inches. Round your answers to one decimal place.) /\\ I \\/ a) r=x :=x What is the volume of such a package? (Round your answer to the nearest integer.) 50,1881 in3